1) When the diameter DN ≥ 500mm, it belongs to the equipment category.
2) If it is used under negative pressure, please explain when ordering, and then lining will be carried out according to the
negative pressure resistant process.
3) If there is no special requirement for the flange, please refer to the appendix according to the regulations of HG20592-2009.
4) The parameters of the common pipe fittings are shown in the table. Other non-standard parts such as eccentric reducers, different diameter elbows, etc. can be processed according to user requirements.
5) Steel lining F4, F46 glass cylinder mirror pressure <0.3MPa, working conditions pressure ≥ 0.3Mpa, the customer is recommended to use steel-lined PTFE four-way mirror.
6) Steel-lined PTFE molded parts DN ≥ 200, the use temperature <120 ° C, the use pressure -0.02-1.6Mpa, can be specially designed according to customer conditions.